CITROEN C4 2004 Handbook page 122

B1BP39XP
SPECIAL FEATURES: TIGHTENING TORQUES
Engines: 9HY - 9HZ
Camshaft bearing cover studs
4 Pre-tightening
Tightening
5 Exhaust gas recycling electrovalve (EGR)
Cylinder head
6 Pre-tightening
Tightening
Angular tightening
7 Vacuum pump
Coolant outlet housing
8 Pre-tightening
Tightening
(6) Sequence for tightening the cylinder head bolts
B1DP05BC
119
Cylinder head
0,5 ± 0,1
1 ± 0,1
1 ± 0,1
2 ± 0,2
4 ± 0,5
260° ± 5°
1,8 ± 0,2
0,3 ± 0,1
0,7 ± 0,1